Manufacturer’s Description:Pure elegance in a small, yet powerful notebook. The attractive VAIOÂ® TZ notebook, perfect for the traveling executive, is a lightweight powerhouse at 2.7 lbs with 4 to 8.5 hours of standard battery life and a durable carbon-fiber casing. And with an IntelÂ® Coreâ„¢ 2 Duo processor, BluetoothÂ® technology and integrated Wireless WAN using optional SprintÂ® Mobile Broadband Network, you’ll be able to stay connected and productive when on the go. An 11.1″display with XBRITE-HiColorâ„¢ technology delivers stunning clarity and true-to-life color, great for viewing movies on long flights. And with a DVD+R Double Layer/DVDÂ±RW you can create or record up to 8.5GB of data on one Double Layer DVD disc.